20286112 has 48 divisors (see below), whose sum is σ = 49799232. Its totient is φ = 7902720.

The previous prime is 20286107. The next prime is 20286131. The reversal of 20286112 is 21168202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653 + ... + 6580.

It is an arithmetic number, because the mean of its divisors is an integer number (1037484).

Almost surely, 2^20286112 is an apocalyptic number.

20286112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20286112 is an abundant number, since it is smaller than the sum of its proper divisors (29513120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20286112 is a wasteful number, since it uses less digits than its factorization.

20286112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8261 (or 8253 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 20286112 is about 4504.0106571810. The cubic root of 20286112 is about 272.7300170498.

The spelling of 20286112 in words is "twenty million, two hundred eighty-six thousand, one hundred twelve".